KB404XS0 Sanyo Denki
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The Sanyo Denki KB404XS0 is part of the K SANMOTION Servo Motors series and features a 42 mm square flange size and a mass of 0.55 kg. This servo motor supports a continuous stall torque of 0.14 N·m, a rated output of 0.04 kW, and includes a 2000 P/R incremental encoder. It offers an IP43 protection rating and operates with a rated armature voltage of 24 VDC and current of 2.7 A.
Internal Product Review
The KB404XS0 is a Sanyo Denki K SANMOTION servo motor with 0.04 kW rated output and 3000 min^-1 rated speed. An incremental encoder with 2000 P/R resolution supports precise feedback, while IP43 protection adds dependable suitability for enclosed industrial service. A strong choice for compact motion axes requiring stable, accurate servo performance.
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Product Description:
The KB404XS0 is a DC servo motor manufactured by Sanyo Denki for the K SANMOTION Servo Motors series. With a 42 mm square mounting flange and an output shaft equipped with a key, this compact unit is intended for precise speed and torque control in small-frame industrial automation applications such as semiconductor handling, miniature conveyors, and laboratory positioning stages. The model operates from a low-voltage DC bus and is supplied with a 1000 mm set of lead wires for direct connection to matching SANMOTION drives.
The motor develops a rated mechanical output of 0.04 kW while drawing a continuous armature current of 2.7 A from a 24 VDC supply. Under these rated conditions, it delivers a shaft speed of 3000 rpm and produces a steady torque of 0.13 N·m. When held motionless, it can sustain a continuous stall torque of 0.14 N·m without overheating; this value helps establish drive current-limit settings for static load support. A peak stall torque of 0.76 N·m is available for brief acceleration or disturbance rejection, providing nearly six times the rated torque for transient events. Position feedback is provided by an incremental encoder with a resolution of 2000 P/R, enabling fine servo control in which each pulse represents 0.18 degrees of shaft travel.
The housing carries a protection rating of IP43, protecting the stator against solid objects larger than 1 mm and angled water spray typically encountered inside machinery guards. Rotor inertia is 0.084 × 10-4 kg·m², allowing rapid speed changes with modest control effort. The assembled servo motor has a mass of 0.55 kg, making it suitable for installation on lightweight frames or end-effector plates. Its keyed shaft provides positive engagement with compatible couplings and helps prevent slippage under changing torque loads. The flange geometry also permits direct coupling to small gears, pulleys, or lead screws in compact automation equipment.
